913456789 has 4 divisors (see below), whose sum is σ = 1043950624. Its totient is φ = 782962956.

The previous prime is 913456741. The next prime is 913456793. The reversal of 913456789 is 987654319.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 913456789 - 2⁹ = 913456277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913450789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65246907 + ... + 65246920.

It is an arithmetic number, because the mean of its divisors is an integer number (260987656).

Almost surely, 2^913456789 is an apocalyptic number.

It is an amenable number.

913456789 is a deficient number, since it is larger than the sum of its proper divisors (130493835).

913456789 is a wasteful number, since it uses less digits than its factorization.

913456789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130493834.

The product of its digits is 1632960, while the sum is 52.

The square root of 913456789 is about 30223.4476689871. The cubic root of 913456789 is about 970.2775940548.

The spelling of 913456789 in words is "nine hundred thirteen million, four hundred fifty-six thousand, seven hundred eighty-nine".